Home / 21,340,464-29,449,841.76-11,682,672

Finding the Fourth Proportional to 21,340,464, 29,449,841.76 and 11,682,672

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Solution

The fourth proportional to 21,340,464, 29,449,841.76 and 11,682,672 is: 16,122,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,464 : 29,449,841.76 = 11,682,672 : x
  2. Step 2: Convert to fraction form
    21,340,464/29,449,841.76 = 11,682,672/x
  3. Step 3: Cross multiply
    21,340,464x = 29,449,841.76 × 11,682,672
  4. Step 4: Simplify right side
    21,340,464x = 344,052,841,733,982.75
  5. Step 5: Solve for x
    x = 344,052,841,733,982.75/21,340,464
  6. Step 6: Final answer
    x = 16,122,088.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.